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300-425 · Question #307

Which antenna type is most appropriate for outdoor Wi-Fi coverage across a campus quad?

The correct answer is C. Omni-directional antennas. Omni-directional antennas are best for broad open-area coverage like a campus quad because they radiate signal equally in all horizontal directions.

Wireless Design

Question

Which antenna type is most appropriate for outdoor Wi-Fi coverage across a campus quad?

Options

  • APatch antennas
  • BYagi directional antennas
  • COmni-directional antennas
  • DDipole antennas

How the community answered

(55 responses)
  • A
    4% (2)
  • B
    2% (1)
  • C
    89% (49)
  • D
    5% (3)

Why each option

Omni-directional antennas are best for broad open-area coverage like a campus quad because they radiate signal equally in all horizontal directions.

APatch antennas

Patch antennas are semi-directional and focus energy in a specific forward direction, making them suitable for point-to-point or sector coverage rather than broad open-area use.

BYagi directional antennas

Yagi antennas are highly directional with a narrow beamwidth, designed for long-distance point-to-point links rather than general area coverage.

COmni-directional antennasCorrect

Omni-directional antennas produce a 360-degree horizontal radiation pattern, making them ideal for covering an open, centrally-mounted deployment like a campus quad where clients may approach from any direction. They provide uniform coverage without requiring precise physical alignment, and a single AP can serve users across the entire surrounding area efficiently.

DDipole antennas

Dipole antennas are typically used indoors mounted to APs and provide limited range unsuitable for covering large outdoor areas like a campus quad.

Concept tested: Antenna selection for outdoor open-area Wi-Fi coverage

Source: https://www.cisco.com/c/en/us/products/collateral/wireless/aironet-antennas-accessories/product_data_sheet09186a008008883b.html

Topics

#outdoor coverage#omni-directional antenna#campus deployment#antenna selection

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